1307280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 4374720

約数和(自身を除く): 3067440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 419, 520, 624, 780, 838, 1040, 1257, 1560, 1676, 2095, 2514, 3120, 3352, 4190, 5028, 5447, 6285, 6704, 8380, 10056, 10894, 12570, 16341, 16760, 20112, 21788, 25140, 27235, 32682, 33520, 43576, 50280, 54470, 65364, 81705, 87152, 100560, 108940, 130728, 163410, 217880, 261456, 326820, 435760, 653640, 1307280]

約数ペア:

[(1, 1307280), (2, 653640), (3, 435760), (4, 326820), (5, 261456), (6, 217880), (8, 163410), (10, 130728), (12, 108940), (13, 100560), (15, 87152), (16, 81705), (20, 65364), (24, 54470), (26, 50280), (30, 43576), (39, 33520), (40, 32682), (48, 27235), (52, 25140), (60, 21788), (65, 20112), (78, 16760), (80, 16341), (104, 12570), (120, 10894), (130, 10056), (156, 8380), (195, 6704), (208, 6285), (240, 5447), (260, 5028), (312, 4190), (390, 3352), (419, 3120), (520, 2514), (624, 2095), (780, 1676), (838, 1560), (1040, 1257)]